Water have the right to take many develops. At low temperatures (below (0^ exto extC)), it is a solid. When at "normal" temperatures (in between (0^ exto extC) and (100^ exto extC)), it is a liquid. While at temperatures over (100^ exto extC), water is a gas (steam). The state thatwater is in depends upon the temperature. Each state has its very own unique collection of physical properties. Matter frequently exists in one of 3 states: solid, liquid, or gas.

You are watching: Which substance has a definite shape and a definite volume


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Plasma: A 4th State of Matter

Technically speaking, a fourth state of issue referred to as plasma exists, yet it does not naturally occur on earth, so we will omit it from our examine right here.

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Liquids

If the pposts of a substance have actually enough power to partly get rid of intermolecular interactions, then the pwrite-ups have the right to relocate about each various other while remaining in contact. This explains the liquid state. In a liquid, the particles are still in cshed contact, so liquids have a definite volume. However before, because the particles can relocate about each various other fairly easily, a liquid has actually no definite form and also takes a form dictated by its container.

Liquids have the complying with characteristics:

No definite shape (takes the shape of its container). Has definite volume. Particles are totally free to relocate over each various other, yet are still attracted to each other.

A acquainted liquid is mercury metal. Mercury is an anomaly. It is the just steel we recognize of that is liquid at room temperature. Mercury likewise has an ability to stick to itself (surchallenge tension)—a building that all liquids exhibit. Mercury has actually a fairly high surchallenge stress, which makes it exceptionally unique. Here you check out mercury in its common liquid develop.



Example (PageIndex1)

What state or claims of issue does each statement, describe?

This state has a definite volume, but no definite shape. This state has no definite volume. This state enables the individual particles to relocate around while remaining in contact.

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Solution

This statement defines the liquid state. This statement describes the gas state. This statement explains the liquid state.

Exercise (PageIndex1)